unhappy vs discontented

unhappy and discontented both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unhappy	No	Yes	No	No
discontented	No	Yes	No	No

unhappy (adjective)	discontented (adjective)
experiencing or marked by or causing sadness or sorrow or discontent	showing or experiencing dissatisfaction or restless longing
generalized feeling of distress
marked by or producing unhappiness
causing discomfort